#define AC3ENC_OPT_OFF 0
#define AC3ENC_OPT_ON 1
#define AC3ENC_OPT_NOT_INDICATED 0
-#define AC3ENC_OPT_MODE_ON 1
-#define AC3ENC_OPT_MODE_OFF 2
+#define AC3ENC_OPT_MODE_ON 2
+#define AC3ENC_OPT_MODE_OFF 1
/* specific option values */
#define AC3ENC_OPT_LARGE_ROOM 1